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Open public tenders sorted by deadline. Don't miss another relevant closing date — free SEAO alerts can watch these for you.
51 opportunities
Data current to Sep 25, 2026 (9 days ago). SEAO publishes its open data once a week.
Ville de LongueuilSaint-Hubert, MontérégieCleaning & janitorial
Published Sep 15, 2026Similar contracts ≈ $385,378 (median of 92 open-tender contracts)
Services professionnels pour l'animation des programmes de camps de jour réguliers
Ville de LongueuilSaint-Hubert, MontérégieOther professional services
Published Sep 17, 2026Similar contracts ≈ $479,730 (median of 900 open-tender contracts)
Ville de LongueuilSaint-Hubert, MontérégieHVAC / Ventilation
Published Sep 17, 2026Similar contracts ≈ $397,680 (median of 29 open-tender contracts)
Services de plantation et d’entretien de fleurs annuelles et de plantes vivaces
Ville de BrossardBrossard, MontérégieOther professional services
Published Sep 21, 2026Similar contracts ≈ $479,730 (median of 900 open-tender contracts)
Acquisition, livraison et installation d'équipements pour un système RFID à la bibliothèque
Ville de BeloeilBeloeil, MontérégieIT / Technology
Published Sep 22, 2026Similar contracts ≈ $353,593 (median of 132 open-tender contracts)
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Create my free SEAO Profile™Municipalité de NapiervilleNapierville, MontérégiePaving
Published Sep 23, 2026Similar contracts ≈ $513,247 (median of 245 open-tender contracts)
Ville d'HudsonHudson, MontérégieOther
Published Sep 10, 2026Similar contracts ≈ $145,632 (median of 824 open-tender contracts)
Ville d'HudsonHudson, MontérégieOther
Published Sep 10, 2026Similar contracts ≈ $145,632 (median of 824 open-tender contracts)
Municipalité Terrasse-VaudreuilTerrasse-Vaudreuil, MontérégieGeneral construction
Published Sep 9, 2026Similar contracts ≈ $479,988 (median of 820 open-tender contracts)
Service de collecte et transport des résidus domestiques et organiques et des objets volumineux 2027
Municipalité de Sainte-Justine-de-NewtonSainte-Justine-de-Newton, MontérégieWaste collection & recycling
Published Sep 16, 2026Similar contracts ≈ $782,902 (median of 68 open-tender contracts)
Centre de services scolaire Marie-VictorinLongueuil, MontérégieGeneral construction
Published Aug 28, 2026Similar contracts ≈ $479,988 (median of 820 open-tender contracts)
Location d'un camion 10 roues muni d'équipements de déneigement et d'une benne basculante
Ville de BouchervilleBoucherville, MontérégieOther
Published Sep 18, 2026Similar contracts ≈ $145,632 (median of 824 open-tender contracts)
Réfection de terrains de baseball municipaux_Phase 1 Système d'éclairage
Municipalité de Sainte-MartineSainte-Martine, MontérégieElectrical
Published Sep 1, 2026Similar contracts ≈ $299,526 (median of 41 open-tender contracts)
Transport d'équipements dentaires
Santé Québec Montérégie-CentreSaint-Hubert, MontérégieOther professional services
Published Sep 21, 2026Similar contracts ≈ $479,730 (median of 900 open-tender contracts)
Ministère des Transports et de la Mobilité durable (Direction générale de la gestion contractuelle)Châteauguay, MontérégieWaste collection & recycling
Published Sep 11, 2026Similar contracts ≈ $782,902 (median of 68 open-tender contracts)
Aménagement de la Promenade Gérard-Côté - Place des spectacles (Phase 2)
Ville de Saint-Hyacinthe Saint-Hyacinthe, MontérégiePaving
Published Aug 27, 2026Similar contracts ≈ $513,247 (median of 245 open-tender contracts)
FOURNITURES, CONSOMMABLES POUR CHIRURGIE DE CARTILAGE (CHONDROTOMES)
Santé Québec Montérégie-EstLongueuil, MontérégieOther
Published Sep 4, 2026Similar contracts ≈ $145,632 (median of 824 open-tender contracts)
Réfection de l'auditorium du Cégep de Sorel-Tracy
Cégep de Sorel-TracySorel-Tracy, MontérégieGeneral construction
Published Sep 9, 2026Similar contracts ≈ $479,988 (median of 820 open-tender contracts)
ÉQUIPEMENT DE MANUTENTION D'ENTREPOT
Santé Québec Montérégie-OuestVaudreuil-Dorion, MontérégieOther
Published Sep 1, 2026Similar contracts ≈ $145,632 (median of 824 open-tender contracts)
Services professionnels en réadaptation du personnel
Centre de services scolaire des PatriotesSaint-Bruno-de-Montarville, MontérégieOther professional services
Published Sep 16, 2026Similar contracts ≈ $479,730 (median of 900 open-tender contracts)
Ville de LongueuilSaint-Hubert, MontérégieOther professional services
Published Sep 24, 2026Similar contracts ≈ $479,730 (median of 900 open-tender contracts)
CCH-23-066 Modernisation de l’ascenseur et travaux connexes
Santé Québec Montérégie-CentreSaint-Hubert, MontérégieGeneral construction
Published Sep 11, 2026Similar contracts ≈ $479,988 (median of 820 open-tender contracts)
Ministère des Transports et de la Mobilité durable (Direction générale de la gestion contractuelle)Châteauguay, MontérégieSnow removal
Published Sep 15, 2026Similar contracts ≈ $216,669 (median of 236 open-tender contracts)
CEGEP Saint-Jean-Sur-RichelieuSaint-Jean-sur-Richelieu, MontérégieGeneral construction
Published Sep 24, 2026Similar contracts ≈ $479,988 (median of 820 open-tender contracts)
Ville de L'Île-PerrotL'Ile-Perrot, MontérégieOther
Published Sep 24, 2026Similar contracts ≈ $145,632 (median of 824 open-tender contracts)
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Data: SEAO open data, Secrétariat du Conseil du trésor du Québec (CC-BY licence). Alliance Optima is not affiliated with SEAO or the Government of Québec. The official notice and its addenda always govern — verify atseao.gouv.qc.ca before bidding.